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- /*
- * Copyright (c) 1988, 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)externs.h 8.3 (Berkeley) 5/30/95
- */
-
- #ifndef BSD
- # define BSD 43
- #endif
-
- #ifdef HAVE_TERMIOS_H
- #define USE_TERMIO
- #endif
-
- #ifdef HAVE_TERMIO_H
- #define USE_TERMIO
- #define SYSV_TERMIO
- #endif
-
- /*
- * ucb stdio.h defines BSD as something wierd
- */
- #if defined(sun) && defined(__svr4__)
- #define BSD 43
- #endif
-
- #ifndef USE_TERMIO
- # if BSD > 43 || defined(SYSV_TERMIO)
- # define USE_TERMIO
- # endif
- #endif
-
- #include <stdio.h>
- #include <setjmp.h>
- #if defined(CRAY) && !defined(NO_BSD_SETJMP)
- #include <bsdsetjmp.h>
- #endif
- #ifndef FILIO_H
- #include <sys/ioctl.h>
- #else
- #include <sys/filio.h>
- #endif
- #ifdef CRAY
- # include <errno.h>
- #endif /* CRAY */
- #ifdef USE_TERMIO
- # ifndef VINTR
- # ifdef SYSV_TERMIO
- # include <sys/termio.h>
- # else
- # include <sys/termios.h>
- # define termio termios
- # endif
- # endif
- #endif
- #if defined(NO_CC_T) || !defined(USE_TERMIO)
- # if !defined(USE_TERMIO)
- typedef char cc_t;
- # else
- typedef unsigned char cc_t;
- # endif
- #endif
-
- #ifndef NO_STRING_H
- #include <string.h>
- #else
- #include <strings.h>
- #endif
-
- #ifndef _POSIX_VDISABLE
- # ifdef sun
- # include <sys/param.h> /* pick up VDISABLE definition, mayby */
- # endif
- # ifdef VDISABLE
- # define _POSIX_VDISABLE VDISABLE
- # else
- # define _POSIX_VDISABLE ((cc_t)'\377')
- # endif
- #endif
-
- #define SUBBUFSIZE 256
-
- #ifndef CRAY
- extern int errno; /* outside this world */
- #endif /* !CRAY */
-
- #if !defined(P)
- # ifdef __STDC__
- # define P(x) x
- # else
- # define P(x) ()
- # endif
- #endif
-
- extern int
- autologin, /* Autologin enabled */
- skiprc, /* Don't process the ~/.telnetrc file */
- eight, /* use eight bit mode (binary in and/or out */
- flushout, /* flush output */
- connected, /* Are we connected to the other side? */
- globalmode, /* Mode tty should be in */
- In3270, /* Are we in 3270 mode? */
- telnetport, /* Are we connected to the telnet port? */
- localflow, /* Flow control handled locally */
- restartany, /* If flow control, restart output on any character */
- localchars, /* we recognize interrupt/quit */
- donelclchars, /* the user has set "localchars" */
- showoptions,
- net, /* Network file descriptor */
- tin, /* Terminal input file descriptor */
- tout, /* Terminal output file descriptor */
- crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
- autoflush, /* flush output when interrupting? */
- autosynch, /* send interrupt characters with SYNCH? */
- SYNCHing, /* Is the stream in telnet SYNCH mode? */
- donebinarytoggle, /* the user has put us in binary */
- dontlecho, /* do we suppress local echoing right now? */
- crmod,
- netdata, /* Print out network data flow */
- prettydump, /* Print "netdata" output in user readable format */
- #if defined(unix)
- #if defined(TN3270)
- cursesdata, /* Print out curses data flow */
- apitrace, /* Trace API transactions */
- #endif /* defined(TN3270) */
- termdata, /* Print out terminal data flow */
- #endif /* defined(unix) */
- debug; /* Debug level */
-
- extern cc_t escape; /* Escape to command mode */
- extern cc_t rlogin; /* Rlogin mode escape character */
- #ifdef KLUDGELINEMODE
- extern cc_t echoc; /* Toggle local echoing */
- #endif
-
- extern char
- *prompt; /* Prompt for command. */
-
- extern char
- doopt[],
- dont[],
- will[],
- wont[],
- options[], /* All the little options */
- *hostname; /* Who are we connected to? */
- #ifdef ENCRYPTION
- extern void (*encrypt_output) P((unsigned char *, int));
- extern int (*decrypt_input) P((int));
- #endif /* ENCRYPTION */
-
- /*
- * We keep track of each side of the option negotiation.
- */
-
- #define MY_STATE_WILL 0x01
- #define MY_WANT_STATE_WILL 0x02
- #define MY_STATE_DO 0x04
- #define MY_WANT_STATE_DO 0x08
-
- /*
- * Macros to check the current state of things
- */
-
- #define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
- #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
- #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
- #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
-
- #define my_state_is_dont(opt) (!my_state_is_do(opt))
- #define my_state_is_wont(opt) (!my_state_is_will(opt))
- #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
- #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
-
- #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
- #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
- #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
- #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
-
- #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
- #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
- #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
- #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
-
- /*
- * Make everything symetrical
- */
-
- #define HIS_STATE_WILL MY_STATE_DO
- #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
- #define HIS_STATE_DO MY_STATE_WILL
- #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
-
- #define his_state_is_do my_state_is_will
- #define his_state_is_will my_state_is_do
- #define his_want_state_is_do my_want_state_is_will
- #define his_want_state_is_will my_want_state_is_do
-
- #define his_state_is_dont my_state_is_wont
- #define his_state_is_wont my_state_is_dont
- #define his_want_state_is_dont my_want_state_is_wont
- #define his_want_state_is_wont my_want_state_is_dont
-
- #define set_his_state_do set_my_state_will
- #define set_his_state_will set_my_state_do
- #define set_his_want_state_do set_my_want_state_will
- #define set_his_want_state_will set_my_want_state_do
-
- #define set_his_state_dont set_my_state_wont
- #define set_his_state_wont set_my_state_dont
- #define set_his_want_state_dont set_my_want_state_wont
- #define set_his_want_state_wont set_my_want_state_dont
-
-
- extern FILE
- *NetTrace; /* Where debugging output goes */
- extern unsigned char
- NetTraceFile[]; /* Name of file where debugging output goes */
- extern void
- SetNetTrace P((char *)); /* Function to change where debugging goes */
-
- extern jmp_buf
- peerdied,
- toplevel; /* For error conditions. */
-
- extern void
- command P((int, char *, int)),
- Dump P((int, unsigned char *, int)),
- init_3270 P((void)),
- printoption P((char *, int, int)),
- printsub P((int, unsigned char *, int)),
- sendnaws P((void)),
- setconnmode P((int)),
- setcommandmode P((void)),
- setneturg P((void)),
- sys_telnet_init P((void)),
- telnet P((char *)),
- tel_enter_binary P((int)),
- TerminalFlushOutput P((void)),
- TerminalNewMode P((int)),
- TerminalRestoreState P((void)),
- TerminalSaveState P((void)),
- tninit P((void)),
- upcase P((char *)),
- willoption P((int)),
- wontoption P((int));
-
- extern void
- send_do P((int, int)),
- send_dont P((int, int)),
- send_will P((int, int)),
- send_wont P((int, int));
-
- extern void
- lm_will P((unsigned char *, int)),
- lm_wont P((unsigned char *, int)),
- lm_do P((unsigned char *, int)),
- lm_dont P((unsigned char *, int)),
- lm_mode P((unsigned char *, int, int));
-
- extern void
- slc_init P((void)),
- slcstate P((void)),
- slc_mode_export P((void)),
- slc_mode_import P((int)),
- slc_import P((int)),
- slc_export P((void)),
- slc P((unsigned char *, int)),
- slc_check P((void)),
- slc_start_reply P((void)),
- slc_add_reply P((int, int, int)),
- slc_end_reply P((void));
- extern int
- slc_update P((void));
-
- extern void
- env_opt P((unsigned char *, int)),
- env_opt_start P((void)),
- env_opt_start_info P((void)),
- env_opt_add P((unsigned char *)),
- env_opt_end P((int));
-
- extern unsigned char
- *env_default P((int, int)),
- *env_getvalue P((unsigned char *));
-
- extern int
- get_status P((void)),
- dosynch P((void));
-
- extern cc_t
- *tcval P((int));
-
- #ifndef USE_TERMIO
-
- extern struct tchars ntc;
- extern struct ltchars nltc;
- extern struct sgttyb nttyb;
-
- # define termEofChar ntc.t_eofc
- # define termEraseChar nttyb.sg_erase
- # define termFlushChar nltc.t_flushc
- # define termIntChar ntc.t_intrc
- # define termKillChar nttyb.sg_kill
- # define termLiteralNextChar nltc.t_lnextc
- # define termQuitChar ntc.t_quitc
- # define termSuspChar nltc.t_suspc
- # define termRprntChar nltc.t_rprntc
- # define termWerasChar nltc.t_werasc
- # define termStartChar ntc.t_startc
- # define termStopChar ntc.t_stopc
- # define termForw1Char ntc.t_brkc
- extern cc_t termForw2Char;
- extern cc_t termAytChar;
-
- # define termEofCharp (cc_t *)&ntc.t_eofc
- # define termEraseCharp (cc_t *)&nttyb.sg_erase
- # define termFlushCharp (cc_t *)&nltc.t_flushc
- # define termIntCharp (cc_t *)&ntc.t_intrc
- # define termKillCharp (cc_t *)&nttyb.sg_kill
- # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
- # define termQuitCharp (cc_t *)&ntc.t_quitc
- # define termSuspCharp (cc_t *)&nltc.t_suspc
- # define termRprntCharp (cc_t *)&nltc.t_rprntc
- # define termWerasCharp (cc_t *)&nltc.t_werasc
- # define termStartCharp (cc_t *)&ntc.t_startc
- # define termStopCharp (cc_t *)&ntc.t_stopc
- # define termForw1Charp (cc_t *)&ntc.t_brkc
- # define termForw2Charp (cc_t *)&termForw2Char
- # define termAytCharp (cc_t *)&termAytChar
-
- # else
-
- extern struct termio new_tc;
-
- # define termEofChar new_tc.c_cc[VEOF]
- # define termEraseChar new_tc.c_cc[VERASE]
- # define termIntChar new_tc.c_cc[VINTR]
- # define termKillChar new_tc.c_cc[VKILL]
- # define termQuitChar new_tc.c_cc[VQUIT]
-
- # ifndef VSUSP
- extern cc_t termSuspChar;
- # else
- # define termSuspChar new_tc.c_cc[VSUSP]
- # endif
- # if defined(VFLUSHO) && !defined(VDISCARD)
- # define VDISCARD VFLUSHO
- # endif
- # ifndef VDISCARD
- extern cc_t termFlushChar;
- # else
- # define termFlushChar new_tc.c_cc[VDISCARD]
- # endif
- # ifndef VWERASE
- extern cc_t termWerasChar;
- # else
- # define termWerasChar new_tc.c_cc[VWERASE]
- # endif
- # ifndef VREPRINT
- extern cc_t termRprntChar;
- # else
- # define termRprntChar new_tc.c_cc[VREPRINT]
- # endif
- # ifndef VLNEXT
- extern cc_t termLiteralNextChar;
- # else
- # define termLiteralNextChar new_tc.c_cc[VLNEXT]
- # endif
- # ifndef VSTART
- extern cc_t termStartChar;
- # else
- # define termStartChar new_tc.c_cc[VSTART]
- # endif
- # ifndef VSTOP
- extern cc_t termStopChar;
- # else
- # define termStopChar new_tc.c_cc[VSTOP]
- # endif
- # ifndef VEOL
- extern cc_t termForw1Char;
- # else
- # define termForw1Char new_tc.c_cc[VEOL]
- # endif
- # ifndef VEOL2
- extern cc_t termForw2Char;
- # else
- # define termForw2Char new_tc.c_cc[VEOL]
- # endif
- # ifndef VSTATUS
- extern cc_t termAytChar;
- #else
- # define termAytChar new_tc.c_cc[VSTATUS]
- #endif
-
- # if !defined(CRAY) || defined(__STDC__)
- # define termEofCharp &termEofChar
- # define termEraseCharp &termEraseChar
- # define termIntCharp &termIntChar
- # define termKillCharp &termKillChar
- # define termQuitCharp &termQuitChar
- # define termSuspCharp &termSuspChar
- # define termFlushCharp &termFlushChar
- # define termWerasCharp &termWerasChar
- # define termRprntCharp &termRprntChar
- # define termLiteralNextCharp &termLiteralNextChar
- # define termStartCharp &termStartChar
- # define termStopCharp &termStopChar
- # define termForw1Charp &termForw1Char
- # define termForw2Charp &termForw2Char
- # define termAytCharp &termAytChar
- # else
- /* Work around a compiler bug */
- # define termEofCharp 0
- # define termEraseCharp 0
- # define termIntCharp 0
- # define termKillCharp 0
- # define termQuitCharp 0
- # define termSuspCharp 0
- # define termFlushCharp 0
- # define termWerasCharp 0
- # define termRprntCharp 0
- # define termLiteralNextCharp 0
- # define termStartCharp 0
- # define termStopCharp 0
- # define termForw1Charp 0
- # define termForw2Charp 0
- # define termAytCharp 0
- # endif
- #endif
-
-
- /* Ring buffer structures which are shared */
-
- extern Ring
- netoring,
- netiring,
- ttyoring,
- ttyiring;
-
- /* Tn3270 section */
- #if defined(TN3270)
-
- extern int
- HaveInput, /* Whether an asynchronous I/O indication came in */
- noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
- noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
- sigiocount, /* Count of SIGIO receptions */
- shell_active; /* Subshell is active */
-
- extern char
- *Ibackp, /* Oldest byte of 3270 data */
- Ibuf[], /* 3270 buffer */
- *Ifrontp, /* Where next 3270 byte goes */
- tline[],
- *transcom; /* Transparent command */
-
- extern int
- settranscom P((int, char**));
-
- extern void
- inputAvailable P((int));
- #endif /* defined(TN3270) */
-